Home / 4,813.22-7,218.92-2,345.56

Finding the Fourth Proportional to 4,813.22, 7,218.92 and 2,345.56

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Solution

The fourth proportional to 4,813.22, 7,218.92 and 2,345.56 is: 3,517.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.22 : 7,218.92 = 2,345.56 : x
  2. Step 2: Convert to fraction form
    4,813.22/7,218.92 = 2,345.56/x
  3. Step 3: Cross multiply
    4,813.22x = 7,218.92 × 2,345.56
  4. Step 4: Simplify right side
    4,813.22x = 16,932,397.81
  5. Step 5: Solve for x
    x = 16,932,397.81/4,813.22
  6. Step 6: Final answer
    x = 3,517.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.